March 25, 2011 Second period action between (from left): Colorado College forward Nick Dineen (22), Boston College forward Chris Kreider (19), Boston College forward Pat Mullane (11), Colorado College defenseman Gabe Guentzel (10), and Colorado College left wing Tim Hall (23). The Boston College Eagles played against the Colorado College Tigers in the second semifinal of the NCAA Division 1 Men's West Regional Hockey Tournament, on Friday March 25, 2011 at the Scottrade Center in downtown St. Louis.